[misc] refactor: Replace deprecated typing imports (#993)

[KunalSachdev2005]

What does this PR do ?

Modernizes type hints across the codebase by replacing deprecated typing module aliases with their recommended equivalents from collections.abc and built-in types.

Changelog

• Replaced typing.Type, typing.List, typing.Dict, and typing.Tuple with built-in type, list, dict, and tuple
• Replaced typing.Union and typing.Optional with | operator syntax
• Moved Callable, Iterator, Iterable, Generator, Mapping, Set from typing to collections.abc
• Replaced typing.Pattern and typing.Match with re.Pattern and re.Match
• typing.NamedTuple, typing.TypeVar, typing.Generic, etc. usage remains in typing (not deprecated)

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• Did you write any new necessary tests? (NA - Refactoring existing code)
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• Does the PR affect components that are optional to install? (Ex: Numba, Pynini, Apex etc) (No)
  • Reviewer: Does the PR have correct import guards for all optional libraries?

Additional Information

• Fixes Replace deprecated typehints #993
• This is a pure refactoring PR with no functional changes
• All type hints follow Python 3.9+ best practices as per PEP 585
• Changes are backward compatible and maintain the same runtime behavior

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